Hatch a praying mantis egg case in a homemade habitat with your child's help! This is an amazing experiment in science and nature for kids of any age.

Stir up some enthusiasm for experimentation with this candy-cracking science experiment!

Check out this fun science fair project to make a vinegar and baking soda balloon and demonstrate how gas is created as a result of the chemical reaction.

Help your second grader observe the phases of the moon, and then let the fun loose: he'll get to chart his observations with marshmallows!

It's easier than you think to make homemade play dough -- just a few pantry staples makes a natural version of the toy that kids have loved for generations.

Science fair project that examines how to grow bacteria in a controlled setting, using simple materials from around the home.

Do earthworms like moisture or darkness? Find out as we explore the relationship between earthworms and light.

When you cut a flower to put into a vase, it'll eventually wilt, even with water and sunshine. But is there another scientific secret to keeping flowers fresh?

Introduce your child to the amazing, almost magical phenomenon of static electricity!

In this 3rd grade science activity, you'll experiment with the little-known fourth state of matter: polymers! Mix borax with white glue and watch what happens.

Help your child get to know the least-appreciated of the five senses, the sense of smell, with a smelling station.

Get your sense of humor ready for this fun science experiment that demonstrates the fundamental physics of air pressure.

The objective of this science fair project is to examine the effects of temperature on salt and water solutions, as they form crystals over time.

This interdisciplinary card game will have your third grader working on math facts as he travels through the solar system!

Take to the air with science by experimenting with helicopter seeds right in your own backyard!

This science fair project examines how seeds hitchhike on animals and clothing.

Teach your child how butter is created by shaking up cream the old-fashioned way.

The objective of this science fair project is to observe the differences in heat absorption for darker colors vs. lighter colors.

Along with being an interesting science activity, dehydrated strawberries are also tasty â and healthy!

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

Bring the fun of gardening indoors! By stuffing a simple pair of pantyhose with a few grass seeds on top, your child can grow her very own plant pet.

In this science fair project, students examine under what conditions individual plants release seeds and how far the seeds are released.

Celebrate April Fools' Day with a science prank that is sure to amuse...and educate too!

This weather spinner will improve observation skills by encouraging children to examine and track weather details and patterns.

Build a 3d animal cell model with this cool science fair project, which helps kids visualize and understand the function of a cell's parts and organelles.

In this exciting design challenge, your child will use design thinking skills to create a mixture that can inflate a balloon.

This simple heat transfer experiment is a great introduction to the concepts of heat transfer and conduction.

Create a homemade pair of sunglasses with colored lenses to see just how light and color affect our sight! Use this fun project to practice science!

An home science experiment for older students that teaches about the science behind heat.

Here is a hands-on activity to help third graders understand the four points of a compass...and how we use them to get around.